Lewisville, Sunday, 9 August, 02:03
Clear. Feels like 85°. High 102°, low 80°.
In May, Lewisville, TX averages a high of 81.8° and a low of 65.4°. About 5.6 inches of precipitation fall over the month (11 wet days). The record high is 101.3° (1985) and the record low 43.7° (2013). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 77.4° | 60.8° | 42% | 90.9° (2002) | 47.1° (1994) |
| 2 | 77.4° | 60.3° | 47% | 89.4° (1987) | 46° (2013) |
| 3 | 76.1° | 59.9° | 40% | 90.1° (2012) | 43.7° (2013) |
| 4 | 78.3° | 60.1° | 35% | 93.4° (2014) | 44.6° (2013) |
| 5 | 79.5° | 62.1° | 40% | 94.6° (2023) | 49.8° (2013) |
| 6 | 81° | 63.3° | 32% | 95° (1998) | 48.9° (2013) |
| 7 | 81° | 63.7° | 33% | 90.7° (2003) | 50.9° (1982) |
| 8 | 81.1° | 64.4° | 35% | 91.8° (2024) | 51.6° (1960) |
| 9 | 80.2° | 64.4° | 33% | 92.5° (2006) | 51.3° (1969) |
| 10 | 80.4° | 64° | 35% | 93.7° (1963) | 51.4° (2019) |
| 11 | 80.2° | 64.4° | 32% | 99.7° (1967) | 50° (1981) |
| 12 | 80.6° | 64.8° | 45% | 93.9° (1978) | 46.8° (1960) |
| 13 | 81.3° | 64.4° | 28% | 95.5° (2025) | 50.2° (1979) |
| 14 | 81.1° | 64.2° | 30% | 99.3° (2025) | 52.7° (2002) |
| 15 | 81.5° | 64.6° | 35% | 95.5° (1978) | 51.8° (2014) |
| 16 | 81.7° | 65.3° | 32% | 90.7° (1996) | 52.5° (1970) |
| 17 | 82.2° | 65.7° | 28% | 94.6° (2022) | 54.3° (1970) |
| 18 | 82.6° | 65.8° | 25% | 93.9° (2022) | 52.2° (1976) |
| 19 | 82.9° | 65.8° | 28% | 96.4° (2008) | 52.5° (2002) |
| 20 | 82.4° | 66.4° | 40% | 94.5° (2022) | 53.6° (1981) |
| 21 | 82.4° | 66° | 33% | 94.5° (2005) | 55° (1967) |
| 22 | 82.8° | 66.9° | 23% | 96.3° (2005) | 53.1° (2001) |
| 23 | 84.2° | 68.7° | 30% | 95.2° (1996) | 54° (1963) |
| 24 | 84° | 68.7° | 30% | 93.9° (2005) | 56.8° (2017) |
| 25 | 84.4° | 68.4° | 43% | 93.6° (2025) | 56.1° (1979) |
| 26 | 85.1° | 68.5° | 33% | 96.3° (2024) | 57.7° (1966) |
| 27 | 84.6° | 68.5° | 38% | 95.9° (1996) | 55.2° (1961) |
| 28 | 84.2° | 68.4° | 42% | 97.2° (2011) | 55.6° (1976) |
| 29 | 84.9° | 68.9° | 38% | 95° (2018) | 56.1° (1984) |
| 30 | 85.3° | 69.3° | 40% | 101.3° (1985) | 55.6° (1984) |
| 31 | 85.1° | 69.4° | 37% | 97.7° (1985) | 56.3° (1983) |